INDEX. 



769 



light," 74 ; electro-magnetic radiation, 

 77 ; and Thomson, 78 ; galvanic cur- 

 rents, 79 ; and Clerk - Maxwell, 80 ; 

 "electrotonic state" of matter, 81 ; 

 tubes of force, 83 ; electricity in 

 motion, 93 ; and Poggendorf, 107 ; 

 referred to, 111 ; indestructibility of 

 force, ib. ; correlation and inter- 

 changeability of natural forces, 119 ; 

 "force," 125; "regelation of ice," 

 127 ; indestructibility of force, 130 ; 

 electricity in space, 145 ; electro- 

 magnetic field, 146 ; electrolytic law, 

 154, 157 ; results of experimental 

 work of, 161 ; law of, 165 ; atomic 

 view, 189 ; observations of vacuum 

 tube phenomena, 190 ; 191, 193. 



Faudel and Schwoerer, ' Life of Hirn.' 

 ii. 134. 



Fay, Du, referred to by Voltaire, i. 

 106. 



Faye, ' Sur 1'Origine du Monde,' ii. 282, 

 357, 360. 



Fechner, Gustav Theodor, ' Elements 

 of Psycho-physics,' i. 200 ; andBosco- 

 vich's theory, 359 ; Ohm's law, 365 ; 

 electrical theory of, 371 ; 'Atomen- 

 lehre,' 433; ii. 369; psycho-physics, 

 469, 493 ; psychical research, 508 ; 

 ' Psychophysik,' 511 ; 514, 546, 743. 



Felbiger, Von, educational work of, 

 i. 256. 



Fellenberg, Von, follower of Pestalozzi, 

 i. 258. 



FSnelon, i. 253. 



Fermat, Pierre, the theory of probabil- 

 ities, i. 120 ; arithmetical discoveries, 

 181 ; 187 ; his theorems, ii. 680, 

 721. 



Ferrier, functions of the brain, ii. 479. 



Fertilisation of plants, ii. 338. 



Fertilisers, invention of artificial, i. 92. 



Fessel, fellow-worker with Pliicker, ii. 

 76. 



Fichte, I. H., and Lotze, i. 49. 



Fichte, J. G., the province of phil- 

 osophy, i. 36 ; influence on academic 

 teaching, 37, 38 ; idealism of, 60 ; 

 ' Wissenschaftslehre,' 83 ; doctrine of, 

 170; 'Nature of the Scholar,' 171; 

 172 ; influenced by Spinoza, 212 ; edu- 

 cational significance of his writings, 

 258 ; 263, 264 ; system of, ii. 500 ; and 

 Herder, 532. 



Fiedler, German translations of Sal- 

 mon's works, i. 275, ii. 669; 685; 

 expounds von Staudt's method, 669. 



Fiedler and Salmon, i. 44. 

 " Field," magnetic, ii. 68. 



VOL. II. 



Finnic, John, agricultural chemistry, i. 

 285. 



Fischer, Emil, ii. 437. 



Fischer, E. G., first table of standard 

 equivalents, i. 393 ; 398. 



Fischer, Kuno, 'Geschichte der neueren 

 Philosophic,' i. 67. 



Fitton, ii. 294. 



Fitzgerald, G. F., ii. 193. 



Fizeau, velocity of light, ii. 45, 85. 



Flam steed, Newton's correspondence 

 with, i. 98. 



Flemming, ii. 444. 



Fletcher, L., 'The Optical Indicatrix,' 

 ii. 14, 42, 55. 



Flourens, 'Histoire des Travaux de 

 Georges Cuvier,' i. 130, 139; 'Eloges 

 Historiques,', 135 ; and de Blainville, 

 ii. 247 ; " Eloge " of Geoffrey, 255 ; 

 doctrine of descent, 322 ; quoted on 

 Gall, 477 ; phrenology, 478. 



Fluorescence, ii. 52. 



Fluxions, invention of method of, i. 

 101 ; method of, ii. 706. 



Fol, on fertilisation, ii. 228. 



Fontanes, conversation of Napoleon 

 with, i. 153. 



Fontenelle popularised science, i. 106 ; 

 literary influence of, 111 ; 123, 134, 

 135, 142, 144, 279 ; ' Eloge de Leib- 

 niz ' quoted, ii. 280. 



Forbes, Edward, naturalist, i. 283, 288. 



Forbes, J. D., i. 272 ; on radiant heat, 

 ii. 105. 



"Force, lines of," ii. 68 ; Lord Kelvin 

 on, 71 ; and "energy," 115. 



Force, matter and, mathematically de- 

 fined, i. 334. 



Forces, correlation of, ii. 105. 



Forms, theory of, ii. 678, 684. 



Forster, Georg, Humboldt's view of 

 nature, i. 52 ; naturalist, services of, 

 179 ; the term " phrenology," ii. 477 ; 

 influences Herder, 532. 



Forster, Johann Reinhold, i. 179. 



Forsyth, A. R., theory of functions, ii. 

 704. 



'Fortnightly Review,' ii. 558. 



' Fortschritte der Physik ' started, ii. 

 58. 



Foster, Sir Michael, 'Text -Book of 

 Physiology' quoted, ii. 289, 446; 

 physiology, 396; 'Text-Book,' 417; 

 "Metabolism," 421, 442; "General 

 Physiology," 423, 430 ; quoted, 428. 



Foucault, spectrum analysis, i. 278; 

 speed of light, ii. 36, 45 ; prismatic 

 analysis of the voltaic arc, 50 ; 

 "gyroscope" and "gyrostat," 61. 



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